Our replacement parts ENGINE MANAGEMENT for cars MERCEDES-BENZ CLASE R (W251, V251) 2005/08 - 2017/10 R 300 CDI (251.021, 251.121, 251.026, 251.126), 2009/07 - 2012/12, 190 CV, 2987 cc, OM 642.950 / OM 642.870 / OM 642.872, with the same warranty as the new and original replacement parts